> by using some kind of array of nozzles (think an inkjet printer head). By bet is on electrospray ionization nozzles. It's a well understood technique thanks

> by using some kind of array of nozzles (think an inkjet printer head). By bet is on electrospray ionization nozzles. It's a well understood technique thanks to mass spectrometers, it's just a matter of time before someone miniaturizes them and creates a way to control the spray pattern.